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# frozen_string_literal: true
module TTY
class Prompt
# Accumulates errors
class Result
attr_reader :question, :value, :errors
def initialize(question, value, errors = [])
@question = question
@value = value
@errors = errors
end
def with(condition = nil, &block)
validator = (condition || block)
(new_value, validation_error) = validator.call(question, value)
accumulated_errors = errors + Array(validation_error)
if accumulated_errors.empty?
Success.new(question, new_value)
else
Failure.new(question, new_value, accumulated_errors)
end
end
def success?
is_a?(Success)
end
def failure?
is_a?(Failure)
end
class Success < Result
end
class Failure < Result
end
end
end # Prompt
end # TTY
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